[INFO] fetching crate tui-tree-widget 0.7.0...
[INFO] testing tui-tree-widget-0.7.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate tui-tree-widget 0.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tui-tree-widget 0.7.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tui-tree-widget 0.7.0
[INFO] finished tweaking crates.io crate tui-tree-widget 0.7.0
[INFO] tweaked toml for crates.io crate tui-tree-widget 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate tui-tree-widget 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa8a8dcf3955b825b1900c1c1d748cb59e22f287e9f6e1ab7c0a82e5560d6f74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa8a8dcf3955b825b1900c1c1d748cb59e22f287e9f6e1ab7c0a82e5560d6f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa8a8dcf3955b825b1900c1c1d748cb59e22f287e9f6e1ab7c0a82e5560d6f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8a8dcf3955b825b1900c1c1d748cb59e22f287e9f6e1ab7c0a82e5560d6f74", kill_on_drop: false }`
[INFO] [stdout] aa8a8dcf3955b825b1900c1c1d748cb59e22f287e9f6e1ab7c0a82e5560d6f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e1da69ac83269c63939bbbba047d9a8aa311ee41c5c8ea2a24231086ff2ca4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "78e1da69ac83269c63939bbbba047d9a8aa311ee41c5c8ea2a24231086ff2ca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling tui v0.16.0
[INFO] [stderr]    Compiling tui-tree-widget v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `Command { std: "docker" "inspect" "78e1da69ac83269c63939bbbba047d9a8aa311ee41c5c8ea2a24231086ff2ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e1da69ac83269c63939bbbba047d9a8aa311ee41c5c8ea2a24231086ff2ca4", kill_on_drop: false }`
[INFO] [stdout] 78e1da69ac83269c63939bbbba047d9a8aa311ee41c5c8ea2a24231086ff2ca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf9da7d6993d2912a75e9fa98a879a6196a6c5019fefcb7989b1b1996f214706
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf9da7d6993d2912a75e9fa98a879a6196a6c5019fefcb7989b1b1996f214706", kill_on_drop: false }`
[INFO] [stderr]    Compiling tui-tree-widget v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "bf9da7d6993d2912a75e9fa98a879a6196a6c5019fefcb7989b1b1996f214706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9da7d6993d2912a75e9fa98a879a6196a6c5019fefcb7989b1b1996f214706", kill_on_drop: false }`
[INFO] [stdout] bf9da7d6993d2912a75e9fa98a879a6196a6c5019fefcb7989b1b1996f214706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 680f1ccbabdd2da7a8a3b794e59e4cb8c42fde8a463e7b1c15299b39786ca693
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "680f1ccbabdd2da7a8a3b794e59e4cb8c42fde8a463e7b1c15299b39786ca693", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tui_tree_widget-a75a093eb9874942)
[INFO] [stdout] test flatten::get_opened_all_opened ... ok
[INFO] [stderr]    Doc-tests tui-tree-widget
[INFO] [stdout] test identifier::get_without_leaf_single ... ok
[INFO] [stdout] test identifier::get_without_leaf_empty ... ok
[INFO] [stdout] test flatten::get_opened_wrong_opened_is_only_top_level ... ok
[INFO] [stdout] test flatten::get_opened_one_is_opened ... ok
[INFO] [stdout] test flatten::get_opened_nothing_opened_is_top_level ... ok
[INFO] [stdout] test identifier::get_without_leaf_multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "680f1ccbabdd2da7a8a3b794e59e4cb8c42fde8a463e7b1c15299b39786ca693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680f1ccbabdd2da7a8a3b794e59e4cb8c42fde8a463e7b1c15299b39786ca693", kill_on_drop: false }`
[INFO] [stdout] 680f1ccbabdd2da7a8a3b794e59e4cb8c42fde8a463e7b1c15299b39786ca693